| English | broadleaf peppergrass | | | 1 | Seed Regulatory and Testing Division, Agricultural Marketing Service, U.S.D.A. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act (updated annually). |
| English | broadleaf pepperwort | | | 1 | Cronquist, A. et al. 1972-. Intermountain flora. |
| English | dittander | | | 1 | Botanical Society of the British Isles. BSBI taxon database (on-line resource). |
| English | peppergrass | | | 1 | McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland. |
| English | perennial pepper cress | | | 1 | 1961. Webster's third new international dictionary. |
| English | perennial peppergrass | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| English | perennial pepperweed | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| English | perennial pepperwort | | | 1 | Cronquist, A. et al. 1972-. Intermountain flora. |
| English | tall whitetop | | | 1 | Cronquist, A. et al. 1972-. Intermountain flora. |
| English (Canada) | perennial pepper-grass | | Agriculture & Agri-Food Canada official name | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 110. |
| French | grande passerage | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| French (Canada) | lépidie à feuilles larges | | Agriculture & Agroalimentaire Canada nom officiel | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 110. |
| German | breitblättrige Kresse | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Portuguese | erva-pimenteira | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Portuguese (Brazil) | mostarda-perene | | | 2 | Groth, D. 2005. pers. comm. Note: re. Brazilian common names |
| Spanish | lepidio | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | mastuerzo montesino | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | piperisa | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Swedish | bitterkrassing | | | 2 | Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) |